<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style type="text/css">
			
			tr{
				height: 30px;
				text-align: center;
			}
			td{
				width: 100px;
			}
			
			tr:first-child>td::after{
				content: "表头";
				font-weight: bold;
			}
			tr:first-child~tr>td::after{
				content: "单元格";
			}
			tr:nth-child(even){
				background-color: #0000FF;
			}
			
			
			
		</style>
	</head>
	<body>
		
		<table border="1" cellspacing="0" >
			<tr>
				<td></td>
				<td></td>
				<td></td>
				<td></td>
				<td></td>
			</tr>
			<tr>
				<td></td>
				<td></td>
				<td></td>
				<td></td>
				<td></td>
			</tr>
			<tr>
				<td></td>
				<td></td>
				<td></td>
				<td></td>
				<td></td>
			</tr>
			<tr>
				<td></td>
				<td></td>
				<td></td>
				<td></td>
				<td></td>
			</tr>
			<tr>
				<td></td>
				<td></td>
				<td></td>
				<td></td>
				<td></td>
			</tr>
			<tr>
				<td></td>
				<td></td>
				<td></td>
				<td></td>
				<td></td>
			</tr>
			<tr>
				<td></td>
				<td></td>
				<td></td>
				<td></td>
				<td></td>
			</tr>
			<tr>
				<td></td>
				<td></td>
				<td></td>
				<td></td>
				<td></td>
			</tr>
			<tr>
				<td></td>
				<td></td>
				<td></td>
				<td></td>
				<td></td>
			</tr>
			<tr>
				<td></td>
				<td></td>
				<td></td>
				<td></td>
				<td></td>
			</tr>
		</table>
	</body>
</html>
